Mercurial > sdl-ios-xcode
view docs/html/sdljoyhatevent.html @ 3083:0bc41e0361d3
Date: Mon, 2 Mar 2009 16:27:42 +0200
From: "Mike Gorchak"
Subject: About QNX support in SDL 1.3
Right now I'm working on QNX SDL 1.3 drivers implementation and looks like a
lot of code must be completely reworked. But I'm ready for it :) Also I want
to add QNX Graphics Framework SDL driver, which is fullscreen graphics
framework, with support of hardware accelerated OpenGL ES implementations.
This Graphics Framework (called GF in QNX) could also use QNX Photon (window
manager GUI) as window manager.
In the attachment initial patch for QNX support in SDL 1.3
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 03 Mar 2009 04:21:51 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_JoyHatEvent</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="SDL Event Structures." HREF="eventstructures.html"><LINK REL="PREVIOUS" TITLE="SDL_JoyButtonEvent" HREF="sdljoybuttonevent.html"><LINK REL="NEXT" TITLE="SDL_JoyBallEvent" HREF="sdljoyballevent.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="sdljoybuttonevent.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdljoyballevent.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLJOYHATEVENT" ></A >SDL_JoyHatEvent</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN4320" ></A ><H2 >Name</H2 >SDL_JoyHatEvent -- Joystick hat position change event structure</DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4323" ></A ><H2 >Structure Definition</H2 ><PRE CLASS="PROGRAMLISTING" >typedef struct{ Uint8 type; Uint8 which; Uint8 hat; Uint8 value; } SDL_JoyHatEvent;</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4326" ></A ><H2 >Structure Data</H2 ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN4328" ></A ><P ></P ><TABLE BORDER="0" CLASS="CALSTABLE" ><TBODY ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >type</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_JOY</TT ></TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >which</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Joystick device index</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >hat</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Joystick hat index</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >value</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Hat position</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4348" ></A ><H2 >Description</H2 ><P ><SPAN CLASS="STRUCTNAME" >SDL_JoyHatEvent</SPAN > is a member of the <A HREF="sdlevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_Event</SPAN ></A > union and is used when an event of type <TT CLASS="LITERAL" >SDL_JOYHATMOTION</TT > is reported.</P ><P >A <TT CLASS="LITERAL" >SDL_JOYHATMOTION</TT > event occurs when ever a user moves a hat on the joystick. The field <TT CLASS="STRUCTFIELD" ><I >which</I ></TT > is the index of the joystick that reported the event and <TT CLASS="STRUCTFIELD" ><I >hat</I ></TT > is the index of the hat (for a more detailed exlaination see the <A HREF="joystick.html" >Joystick section</A >). <TT CLASS="STRUCTFIELD" ><I >value</I ></TT > is the current position of the hat. It is a logically OR'd combination of the following values (whose meanings should be pretty obvious:) :</P ><P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_CENTERED</TT ></TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_UP</TT ></TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_RIGHT</TT ></TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_DOWN</TT ></TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_LEFT</TT ></TD ></TR ></TBODY ></TABLE ><P ></P ><P >The following defines are also provided:</P ><P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_RIGHTUP</TT ></TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_RIGHTDOWN</TT ></TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_LEFTUP</TT ></TD ></TR ><TR ><TD ><TT CLASS="LITERAL" >SDL_HAT_LEFTDOWN</TT ></TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN4382" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlevent.html" ><SPAN CLASS="STRUCTNAME" >SDL_Event</SPAN ></A >, <A HREF="joystick.html" >Joystick Functions</A >, <A HREF="sdljoystickeventstate.html" ><TT CLASS="FUNCTION" >SDL_JoystickEventState</TT ></A >, <A HREF="sdljoystickgetball.html" ><TT CLASS="FUNCTION" >SDL_JoystickGetHat</TT ></A ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdljoybuttonevent.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdljoyballevent.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_JoyButtonEvent</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="eventstructures.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_JoyBallEvent</TD ></TR ></TABLE ></DIV ></BODY ></HTML >